Home / 18,616.66-27,925.84-9,137.55

Finding the Fourth Proportional to 18,616.66, 27,925.84 and 9,137.55

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Solution

The fourth proportional to 18,616.66, 27,925.84 and 9,137.55 is: 13,706.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,616.66 : 27,925.84 = 9,137.55 : x
  2. Step 2: Convert to fraction form
    18,616.66/27,925.84 = 9,137.55/x
  3. Step 3: Cross multiply
    18,616.66x = 27,925.84 × 9,137.55
  4. Step 4: Simplify right side
    18,616.66x = 255,173,759.29
  5. Step 5: Solve for x
    x = 255,173,759.29/18,616.66
  6. Step 6: Final answer
    x = 13,706.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.